Journal article

Examining moderators of the effectiveness of a web- and video-based computer-tailored physical activity intervention

Quyen G To, Mitch J Duncan, Camille E Short, Ronald C Plotnikoff, W Kerry Mummery, Stephanie Alley, Stephanie Schoeppe, Amanda Rebar, Corneel Vandelanotte



Understanding for whom behaviour change interventions work is important, however there is a lack of studies examining potential moderators in such interventions. This study investigated potential moderators on the effectiveness of a computer-tailored intervention to increase physical activity among Australian adults. People who had <150 min of moderate-vigorous physical activity (MVPA) a week, able to speak and read English, aged ≥18 years, lived in Australia, and had internet access were eligible to participate. Participants recruited through social media, emails, and third-party databases, were randomly assigned to either the control (n = 167) or intervention groups (n = 334). Physical act..

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Awarded by National Heart Foundation of Australia

Awarded by National Health and Medical Research Council

Funding Acknowledgements

This trial was funded by the National Health and Medical Research Council (1049369). The funder did not have any role in the study other than to provide funding. MJD (100029) and CV (100427) were, and SJA (102609) and SS (101240) are supported by a fellowship from the National Heart Foundation of Australia. CES (1090517), RCP (1100138) and AR (1105926) were, and MJD (1141606) and SS (1125586) are supported by a Fellowship from the National Health and Medical Research Council.